EP0343001A1 - Multiple stage dispenser - Google Patents
Multiple stage dispenser Download PDFInfo
- Publication number
- EP0343001A1 EP0343001A1 EP89305087A EP89305087A EP0343001A1 EP 0343001 A1 EP0343001 A1 EP 0343001A1 EP 89305087 A EP89305087 A EP 89305087A EP 89305087 A EP89305087 A EP 89305087A EP 0343001 A1 EP0343001 A1 EP 0343001A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stage
- cards
- card
- stack feeder
- stack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/04—Endless-belt separators
- B65H3/042—Endless-belt separators separating from the bottom of the pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/02—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
- B65H5/021—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
- B65H5/023—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts between a pair of belts forming a transport nip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/20—Belts
- B65H2404/26—Particular arrangement of belt, or belts
- B65H2404/261—Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/51—Presence
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/515—Absence
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/50—Timing
- B65H2513/512—Starting; Stopping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
- B65H2515/60—Optical characteristics, e.g. colour, light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/41—Photoelectric detectors
Definitions
- the invention consists of a method and apparatus for delivering cards or like paper stock fed singly from a stack feeder of the cards to a demand location for dispensing in sequence, in which each card fed from the stack is advanced through a plurality of stages of a conveyor, each stage being independently operable, each stage and all preceding stages and the stack feeder being actuable when no card is present at that stage, the leading stage being also operable to deliver a card on demand, the cards being fed at a higher rate than the dispensing rate.
- the example embodiment shown in the drawings consists of a dispenser 10 which comprises a feeder 12 and a movable platform or conveyor 14, both mounted on a fixed frame 16.
- Conveyor 14 consists of three stages 18A, 18B and 18C; stage 18A serving as a demand location for dispensing cards to a subsequent system not shown.
- stage 18 consists of an upper endless belt unit 20 carried by a pair of rollers 22 and a lower endless belt unit 24 carried by a pair of rollers 26, the belts being spaced one from the other to form a gap 28.
- belt unit 24 has a plurality of parallel bands 29 but other means such as a vacuum belt could be used.
- rollers 22 and 26 are mounted on shafts 30 and 32 respectively which are rotatable on frame 16 and are interconnected by axle proximity adjustment screws 32, shaft 30 being movable radially at each end in slots 34 in frame 16 to adjust the width of gap 28.
- Belts 20 and 24 of stage 18A are chain driven by a drive motor 36A and belts 20 and 24 of stage 18B are chain driven in the same manner by a drive motor 36B.
- Belts 20 and 24 of stage 18C are driven through a gear train 38 from a chain drive 36C which operates an endless movable feeder platform 40 of feeder 12.
- Each stage 18 has a photoelectric unit 42 bridging gap 28 between belts 20 and 24 adjacent the forward end of the stage and each photocell unit is electrically connected independently to its associated drive motor 36 of the same stage as seen in Figure 4 of the drawings.
- Drive motors 36A, 36B and 36C are electrically interconnected whereby drive motors 36B and 36C are slaves to drive motor 36A and drive motor 36C is also slave to drive motor 36B.
- Feeder 12 consists of movable feeder platform 40 and a rotatable friction wheel 44 mounted on frame 16 above the platform with a gap 46 therebetween.
- a guide bar 48 mounted on a forwardly projecting plate 50, is located above platform 40 and tangential to friction wheel 44 and an adjustable retainer bracket 52, spaced behind guide bar 48, is also mounted on frame 16.
- a stack 60 of cards is placed between guide bar 48 and retainer bracket 52 to rest on platform 40.
- the bottom or first card 62 in stack 60 advances through gap 46 and into gap 28 of stage 18C of conveyor 14, followed at a uniformly predetermined distance by the second and subsequent cards in the stack, as seen in Figure 3 of the drawings.
- an additional card 62 is shown between photocell units 42A and 42B and also between units 42B and 42C but this has no effect on the operation of the device, merely providing additional cards for the demand location.
- card used herein includes any flat paper stock or like products.
Abstract
Description
- In my United States Patent No. 3,908,983 issued September 30, 1975 I described a device for feeding single blank cards at high speed into a machine for scoring, folding, stacking or otherwise handling such cards. In the operation of that device a stack of cards is placed between a guide bar and a retainer plate which hold the stack sloping downwardly in a forward direction with the lower cards of the stack being fanned forwardly above an endless belt. As the belt moves, the lowest card of the stack is drawn through the gap between the belt and a friction wheel which rotates slowly to allow the cards to move singly through the gap. The belt and friction wheel are driven by the same motor with suitable gear reduction.
- In my later United States Patent No. 4,651,983 issued March 24, 1987 I describe a device for controlling the rate of issuance of the cards in my U.S. Patent No. 3,908,983.
- In operation the above-mentioned devices will misfeed on occasion, i.e. a gap will appear between two sequentially fed cards.
- It is an object of the present invention to provide a method and device whereby the incidence of misfeeding of cards in a card feeding machine is reduced.
- Essentially the invention consists of a method and apparatus for delivering cards or like paper stock fed singly from a stack feeder of the cards to a demand location for dispensing in sequence, in which each card fed from the stack is advanced through a plurality of stages of a conveyor, each stage being independently operable, each stage and all preceding stages and the stack feeder being actuable when no card is present at that stage, the leading stage being also operable to deliver a card on demand, the cards being fed at a higher rate than the dispensing rate.
- An example embodiment of the invention is shown in the accompanying drawings in which:
- Figure 1 is a perspective view of a dispenser;
- Figure 2 is a cross-sectional view taken along line 2-2 of Figure 1;
- Figure 3 is a diagrammatic side elevational view of the device of Figure 1 in operation; and
- Figure 4 is a view similar to Figure 3 showing the operation of the device with a misfeed.
- The example embodiment shown in the drawings consists of a
dispenser 10 which comprises afeeder 12 and a movable platform orconveyor 14, both mounted on afixed frame 16. -
Feeder 12 is described in my aforementioned United States Patent No. 3,908,983.Conveyor 14 consists of threestages stage 18A serving as a demand location for dispensing cards to a subsequent system not shown. Each stage 18 consists of an upperendless belt unit 20 carried by a pair ofrollers 22 and a lowerendless belt unit 24 carried by a pair ofrollers 26, the belts being spaced one from the other to form agap 28. In the exampleembodiment belt unit 24 has a plurality ofparallel bands 29 but other means such as a vacuum belt could be used. As seen in Figure 2,rollers shafts frame 16 and are interconnected by axleproximity adjustment screws 32,shaft 30 being movable radially at each end in slots 34 inframe 16 to adjust the width ofgap 28.Belts stage 18A are chain driven by adrive motor 36A andbelts drive motor 36B.Belts stage 18C are driven through agear train 38 from achain drive 36C which operates an endlessmovable feeder platform 40 offeeder 12. Each stage 18 has aphotoelectric unit 42bridging gap 28 betweenbelts drive motor 36 of the same stage as seen in Figure 4 of the drawings.Drive motors motors motor 36A and drivemotor 36C is also slave to drivemotor 36B. -
Feeder 12 consists ofmovable feeder platform 40 and a rotatable friction wheel 44 mounted onframe 16 above the platform with a gap 46 therebetween. Aguide bar 48, mounted on a forwardly projectingplate 50, is located aboveplatform 40 and tangential to friction wheel 44 and anadjustable retainer bracket 52, spaced behindguide bar 48, is also mounted onframe 16. - In the operation of the device, a
stack 60 of cards is placed betweenguide bar 48 andretainer bracket 52 to rest onplatform 40. Asplatform 40 is moved, the bottom orfirst card 62 instack 60 advances through gap 46 and intogap 28 ofstage 18C ofconveyor 14, followed at a uniformly predetermined distance by the second and subsequent cards in the stack, as seen in Figure 3 of the drawings. - When
card 62 reaches the position instage 18A in the path of photocell unit 42A and the demand location is satisfied, i.e. whenconveyor 14 is capable of delivering a card on demand then a signal from the photocell stops drivemotor 36A. However, drivemotor 36B continues to operate until acard 62 reaches photocell unit 42B to stop drivemotor 36B. Notwithstanding the mode ofstages 18A and 18B (moving or stationary), drivemotor 36C continues to drivefeeder 12 andstage 18C until stopped by the interposition of acard 52 in the path ofphotocell unit 42C. Also the feed rate of cards fromdrive feeder 12 always exceeds the output expected fromdemand location 18A. - From this manner of operation it will be seen that the dispensing of cards in timed sequence from a demand location is enhanced because it allows cards to advance and fill gaps in the feed sequence while the leading card is temporarily resting at the demand location.
- In the example embodiment shown in the drawings an
additional card 62 is shown between photocell units 42A and 42B and also betweenunits 42B and 42C but this has no effect on the operation of the device, merely providing additional cards for the demand location. - The term "card" used herein includes any flat paper stock or like products.
Claims (6)
advancing each card fed from the stack feeder through conveyor means comprising a plurality of stages to the demand location, the stack feeder and each stage being independently operable, each stage and all preceding stages and the stack feeder being actuable when no card is present at a predetermined position on that stage, the leading stage being also operable to deliver a card on demand;
the feed rate of cards from the stack feeder being higher than the rate of dispensing cards from the demand location.
conveyor means having an input end to receive cards fed from the stack feeder and a demand station outlet, the conveyor means comprising a plurality of sequential stages each having independently operable drive means, the stack feeder also having independently operable drive means; and
means at each stage to sense the presence of a card thereat and simultaneously to actuate the drive means thereof and the drive means of all the preceding stages and the stack feeder when a card is not present at a predetermined position on that stage, the drive means of the stack feeder being adopted to feed cards at a rate higher than the rate of dispensing cards from the demand location.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19647788A | 1988-05-20 | 1988-05-20 | |
US196477 | 2002-07-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0343001A1 true EP0343001A1 (en) | 1989-11-23 |
EP0343001B1 EP0343001B1 (en) | 1994-01-12 |
Family
ID=22725569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89305087A Expired - Lifetime EP0343001B1 (en) | 1988-05-20 | 1989-05-19 | Multiple stage dispenser |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0343001B1 (en) |
DE (1) | DE68912197T2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1184317A2 (en) * | 2000-08-16 | 2002-03-06 | Wincor Nixdorf GmbH & Co KG | Transport device for transferring sheets or sheet sets |
CN102502288A (en) * | 2011-11-07 | 2012-06-20 | 青岛海刚烫印设备制造有限公司 | Feeding machine for PVC (polyvinyl chloride) |
CN103359503A (en) * | 2013-05-30 | 2013-10-23 | 宁波成路纸品制造有限公司 | Assembly line working platform |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019126657B4 (en) * | 2019-10-02 | 2021-06-02 | Böwe Systec Gmbh | Separating device and method for separating thin sheet units from a stack of sheets by means of a separating device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2309756A1 (en) * | 1973-02-27 | 1974-09-12 | Licentia Gmbh | DEVICE FOR DELIVERING INDIVIDUAL LETTERS AND SIMILAR FLAT MAILINGS FROM A STACK |
DE2719358A1 (en) * | 1977-04-30 | 1978-11-02 | Schoen & Cie Gmbh | Belt conveyor operated sheet processor - has sheet sensor to actuate coupling and brake unit for conveyor drive shaft |
DE3214350A1 (en) * | 1981-05-08 | 1982-11-25 | E.C.H. Will (Gmbh & Co), 2000 Hamburg | Device for transporting layers of sheets |
US4651983A (en) * | 1983-12-15 | 1987-03-24 | Longford Equipment International Limited | Card feeder control |
-
1989
- 1989-05-19 DE DE89305087T patent/DE68912197T2/en not_active Expired - Lifetime
- 1989-05-19 EP EP89305087A patent/EP0343001B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2309756A1 (en) * | 1973-02-27 | 1974-09-12 | Licentia Gmbh | DEVICE FOR DELIVERING INDIVIDUAL LETTERS AND SIMILAR FLAT MAILINGS FROM A STACK |
DE2719358A1 (en) * | 1977-04-30 | 1978-11-02 | Schoen & Cie Gmbh | Belt conveyor operated sheet processor - has sheet sensor to actuate coupling and brake unit for conveyor drive shaft |
DE3214350A1 (en) * | 1981-05-08 | 1982-11-25 | E.C.H. Will (Gmbh & Co), 2000 Hamburg | Device for transporting layers of sheets |
US4651983A (en) * | 1983-12-15 | 1987-03-24 | Longford Equipment International Limited | Card feeder control |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1184317A2 (en) * | 2000-08-16 | 2002-03-06 | Wincor Nixdorf GmbH & Co KG | Transport device for transferring sheets or sheet sets |
EP1184317A3 (en) * | 2000-08-16 | 2004-01-21 | Wincor Nixdorf International GmbH | Transport device for transferring sheets or sheet sets |
CN102502288A (en) * | 2011-11-07 | 2012-06-20 | 青岛海刚烫印设备制造有限公司 | Feeding machine for PVC (polyvinyl chloride) |
CN103359503A (en) * | 2013-05-30 | 2013-10-23 | 宁波成路纸品制造有限公司 | Assembly line working platform |
Also Published As
Publication number | Publication date |
---|---|
DE68912197D1 (en) | 1994-02-24 |
EP0343001B1 (en) | 1994-01-12 |
DE68912197T2 (en) | 1994-04-28 |
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